/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponentsEditorOnly/Public/Operations/SubdividePoly.h
enum ETopologyCheckResult { Ok = 0, NoGroups = 1, InsufficientGroups = 2, UnboundedPolygroup = 3, MultiBoundaryPolygroup = 4, DegeneratePolygroup = 5, }